#countdown {
    width: 100%;
    height: 150px;
    background-color: #00bcd4;
    .time {
        margin: 0 auto;
        padding: 0;
        li {
            display: inline-block;
            width: 100px;
            height: 100px;
            line-height: 100px;
            text-align: center;
            font-size: 60px;
            color: #FFF;
        }
    }
    .start {
        width: 100%;
        height: 50px;
        line-height: 50px;
        text-align: center;
        font-size: 40px;
        color: #FFF;
    }
}